Originally posted by kewdawg It's a new kit... and by new, I mean about 3 months old and ran about every other weekend. I checked the spring against a new one and there doesn't appear to be any tension loss (gauging the height of the two springs next to each other).

Originally posted by thefuzzclub tried it for the first time, but i did not feel much difference from front differential. i'm expecting aggressiveness in turns but was not successful. someone said that rear differential oil setting must be a little tight. currently my rear setting is super loose which runs best when i use front differential.

appreciate any inputs, thanks

If, you're going to use a one-way, you should use heavier diff oil in the rear. Try 30,000 wt..

im sorry if this question has been answered already. but i dont have the time to search through the 11,000 some pages, so if you could answer my question, it would be great. What does putting thinner or thicker oil do in the gear differentials? What are the effects of each??

Originally posted by Switch Blade im sorry if this question has been answered already. but i dont have the time to search through the 11,000 some pages, so if you could answer my question, it would be great. What does putting thinner or thicker oil do in the gear differentials? What are the effects of each??

thanks

Yea im interested to know as well which one gives more traction? 5,000 or 10,000 rear diff oil.

Originally posted by Switch Blade im sorry if this question has been answered already. but i dont have the time to search through the 11,000 some pages, so if you could answer my question, it would be great. What does putting thinner or thicker oil do in the gear differentials? What are the effects of each??

thanks

The thicker the oil, the less diff action (power unloading from wheel to wheel). When running a front diff, you don't want a lot of diff action, up front, because this will cause the car to oversteer and not have enough forward traction(large amount of power being applied to the front wheels). you need the forward traction to pull you thru / around the corner evenly & allow the car to apex the corner progressively. The rear diff can be considerbly softer (thinner diff oil), which will allow more diff action and allow the car to rotate thru a corner. Keep in mind, that you can go too soft, in the rear, which will reduce traction. Generally, you shouldn't use diff oil thicker than 10,000 in the rear. this will cause the car to "push" and have less traction thru corners (the same can be said for the front diff - 50,000 wt. diff oil is usually the maximum). Using a one-way will greatly increase steering. You will need to counter this by using heavier diff oil in the rear diff (say, 30,000 wt. diff oil), which will cause the rear to "push" and or increase the forward traction.
I hope this helps. If, anyone has anything to add or correct, please do so. Good Luck!

Originally posted by kewdawg Keep in mind, that you can go too soft, in the rear, which will reduce traction.

Hey i also would like to ask if you made a typing mistake did you mean
"keep in mind, that you *cant* go too soft in the rear, which will reduce traction." do you think 5,000 is to soft which will reduce traction compared to 10,000 ?

Originally posted by BrainTeased Hey i also would like to ask if you made a typing mistake did you mean
"keep in mind, that you *cant* go too soft in the rear, which will reduce traction." do you think 5,000 is to soft which will reduce traction compared to 10,000 ?

No. It's exactly as typed. you CAN go too soft in the rear and have too much diff action and not enough forward traction. The car will "fish-tail" all over the track when you get on the throtte, out of a corner and when you enter a corner, you'll spin-out.

Originally posted by kewdawg Using a one-way will greatly increase steering. You will need to counter this by using heavier diff oil in the rear diff (say, 30,000 wt. diff oil), which will cause the rear to "push" and or increase the forward traction.

i started to use one way and my rear diff is loose not sure on the wt of the rear diff oil probably below 10k. my problem is my car push a lot and over steers. will try to change to thicker rear diff oil and see

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